Its prob the same as the 2.8 diagram on this link: http://media.Photobucket.com/image/spark%20plug%20diagram%20chevy%203.0/roundcarly/chevy_firing_orders.jpg
The diagram.
this is the proper
What year and what engine?
You don't need a diagram to find spark plugs on this engine. Follow the plug wires and you will find the plugs.
Need to know what engine it has to answer that one.
with tools
6 cylinder engine is 0.045 and v-8 engine are 0.045
Depends on your engine: 1.0 liter 3-cylinder = 3 spark plugs, 1.3 liter 4-cylinder = 4 spark plugs
Need to no what size engine.
.035
Depends on the size of your engine. IE if, you have a 6 cylinder (v-6) it requires 6 spark plugs etc.
you can look in a haynes repair manual for it or contact your dealer